6456776546 has 16 divisors (see below), whose sum is σ = 10568752128. Its totient is φ = 2934032400.

The previous prime is 6456776531. The next prime is 6456776551.

6456776546 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6456776491 and 6456776500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36191 + ... + 119261.

It is an arithmetic number, because the mean of its divisors is an integer number (660547008).

Almost surely, 2^6456776546 is an apocalyptic number.

6456776546 is a deficient number, since it is larger than the sum of its proper divisors (4111975582).

6456776546 is a wasteful number, since it uses less digits than its factorization.

6456776546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86617.

The product of its digits is 25401600, while the sum is 56.

The square root of 6456776546 is about 80354.0698782582. The cubic root of 6456776546 is about 1862.1096564133.

The spelling of 6456776546 in words is "six billion, four hundred fifty-six million, seven hundred seventy-six thousand, five hundred forty-six".